diff --git a/examples/3_load_melody_from_file/3_load_melody_from_file.ino b/examples/3_load_melody_from_file/3_load_melody_from_file.ino
index 8dd74e9..93167f2 100644
--- a/examples/3_load_melody_from_file/3_load_melody_from_file.ino
+++ b/examples/3_load_melody_from_file/3_load_melody_from_file.ino
@@ -1,8 +1,10 @@
 /**
  * Melody Player library can load melodies from file.
- * On ESP8266 and ESP32 there is an embedded portion of flash memory to store files and folders. It
- * uses a file system, usually LittleFS or SPIFFS. You can upload files through specific plugins.
- * For more info, look at:
+ *
+ * REMEMBER to upload the file system containing the files in the "data" directory before running
+ * this sketch. On ESP8266 and ESP32 there is an embedded portion of flash memory to store files and
+ * folders organized with a file system, usually LittleFS or SPIFFS. You can upload files through
+ * specific plugins. For more info, look at:
  * - On ESP8266: https://github.com/esp8266/arduino-esp8266fs-plugin
  * - On ESP32: https://github.com/me-no-dev/arduino-esp32fs-plugin
  */
@@ -12,7 +14,7 @@
 int buzzerPin = 4;
 
 // This file does not exist
-String missingMelodyFilePath = "missing.mel";
+String missingMelodyFilePath = "/missing.mel";
 String melodyFilePath = "/jingle.mel";
 
 MelodyPlayer player(buzzerPin);
diff --git a/examples/4_load_rtttl_melody/4_load_rtttl_melody.ino b/examples/4_load_rtttl_melody/4_load_rtttl_melody.ino
index c9f81cb..572bf9c 100644
--- a/examples/4_load_rtttl_melody/4_load_rtttl_melody.ino
+++ b/examples/4_load_rtttl_melody/4_load_rtttl_melody.ino
@@ -1,5 +1,7 @@
 /**
  * Load and play an RTTTL melody from hardcoded literal string and from file.
+ *
+ * REMEMBER to upload the file system containing the files in the "data" directory.
  */
 #include <melody_player.h>
 #include <melody_factory.h>
diff --git a/examples/5_play_melodies_simultaneously/5_play_melodies_simultaneously.ino b/examples/5_play_melodies_simultaneously/5_play_melodies_simultaneously.ino
index f507bd3..7ebaaa3 100644
--- a/examples/5_play_melodies_simultaneously/5_play_melodies_simultaneously.ino
+++ b/examples/5_play_melodies_simultaneously/5_play_melodies_simultaneously.ino
@@ -1,11 +1,9 @@
 /**
  * Play multiple melodies at the same time on different buzzers.
  *
- * NOTE: This works only with playAsync().
- *
- * For more information on how to enable multiple PWM outputs and
- * the limitations of your board, check the wiki.
- * https://github.com/fabianoriccardi/melody-player/wiki
+ * NOTE: To use this sketch on ESP32 you need to specify the LEDC channel in MelodyPlayer
+ * constructor. For more information visit the wiki:
+ * https://github.com/fabianoriccardi/melody-player/wiki/Limitations-of-multi-buzzer-configuration
  */
 #include <melody_player.h>
 #include <melody_factory.h>
@@ -14,7 +12,12 @@ int buzzerPin1 = 4;
 int buzzerPin2 = 5;
 
 MelodyPlayer player1(buzzerPin1);
+
+#ifdef ESP32
+MelodyPlayer player2(buzzerPin2, 2);
+#else
 MelodyPlayer player2(buzzerPin2);
+#endif
 
 bool end;
 
diff --git a/examples/6_transfer_playing_melody/6_transfer_playing_melody.ino b/examples/6_transfer_playing_melody/6_transfer_playing_melody.ino
index d0a18b9..48eefdb 100644
--- a/examples/6_transfer_playing_melody/6_transfer_playing_melody.ino
+++ b/examples/6_transfer_playing_melody/6_transfer_playing_melody.ino
@@ -57,7 +57,7 @@ void setup() {
 void loop() {
   if (millis() - start > 2000 && !transfered) {
     transfered = true;
-    Serial.println("Continuing the melody on a different buzzer...");
+    Serial.println("Continuing the melody playback on a different buzzer...");
     player1.transferMelodyTo(player2);
   }
 
diff --git a/examples/7_duplicate_playing_melody/7_duplicate_playing_melody.ino b/examples/7_duplicate_playing_melody/7_duplicate_playing_melody.ino
index 81e7eb0..fa70982 100644
--- a/examples/7_duplicate_playing_melody/7_duplicate_playing_melody.ino
+++ b/examples/7_duplicate_playing_melody/7_duplicate_playing_melody.ino
@@ -52,7 +52,7 @@ void setup() {
 void loop() {
   if (millis() - start > 2000 && !transfered) {
     transfered = true;
-    Serial.println("Continuing the melody on a different buzzer...");
+    Serial.println("Continuing the melody playback on both buzzers...");
     player1.duplicateMelodyTo(player2);
   }